Clinical Study
A 12-Week Assessment of the Treatment of White Spot Lesions with CPP-ACP Paste and/or Fluoride Varnish
Table 3
Visual examination criteria used in the selection and assessment of samples [
10].
| Score | Visual assessment criterion |
| 1 | No, or slight, change in enamel translucency after air-drying for 5 seconds | 2 | Opacity or discoloration hardly visible on the wet surface but visible after air-drying | 3 | Visible opacity or discoloration without air-drying | 4 | Localised enamel breakdown with opacity or greyish discoloration from the underlying dentin | 5 | Cavitation in opaque or discolored enamel exposing the dentin |
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